Can-do attitude. A hiring criterion, stated as such.
Where there’s a will, there’s a way. The way is asserted to exist, conditional only on wanting it.
The sky’s the limit. Which is to say, no limit you will encounter.
When life gives you lemons, make lemonade. The instruction is not to endure the lemons but to convert them.
Nothing’s impossible. Said flatly, in ordinary conversation, about ordinary difficulties.